18746585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 26756352

約数和(自身を除く): 8009767

約数列:

[1, 5, 11, 13, 55, 65, 143, 157, 167, 715, 785, 835, 1727, 1837, 2041, 2171, 8635, 9185, 10205, 10855, 22451, 23881, 26219, 112255, 119405, 131095, 288409, 340847, 1442045, 1704235, 3749317, 18746585]

約数ペア:

[(1, 18746585), (5, 3749317), (11, 1704235), (13, 1442045), (55, 340847), (65, 288409), (143, 131095), (157, 119405), (167, 112255), (715, 26219), (785, 23881), (835, 22451), (1727, 10855), (1837, 10205), (2041, 9185), (2171, 8635)]